Smartphones are an integral part of our daily life. From calling to checking mails, weather forecast, travel maps, and browsing through our favourite social media apps, phones have become so important that often their battery cannot keep up with our daytime needs. Hence, we all leave our phones on charge for the entire night.

There are a lot of questions about cell phone batteries. how much should you charge your phone? Should you leave your smartphones plugged in overnight? Is it bad for the phone? What is the right thing to do? In this article, we will try to debunk some old myths and see if it is really that bad to charge phone overnight!

What happens if you charge your phone overnight?

Well, absolutely nothing!! It is safe to leave your smartphone plugged into the charger overnight as latest smartphones have an an inbuilt protection chip that prevents overcharging at full battery. The idea that charging overnight is harmful and continuously drains the battery is usually shared by people using older tech.

Smartphones are “smart”.  The built-in chip prevents charging once 100% capacity has been reached. modern smartphones are designed in a way that prevents them from taking in too much more current than is necessary once completely charged.

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Should I only charge my phone when my battery is zero percent?

Hell No! That puts stress on the Lithium-ion batteries (LiB). Running a smartphone until it is completely out of power is not really the right way to treat the smartphone as that wears out a Lithium-ion battery even faster than normal. 

charge my phone

 The best thing to do is to charge the phone when 20% battery is left.  Plug the phone in before it asks you to enter a low-power mode.  It is also advised to switch off the charging at 80 to 90, as going to 100 percent, especially when using a high-voltage charger, can put some strain on the battery. Also, it is safe to keep the phone battery charge between 30 and 80 percent to increase its lifespan.

Do phone batteries live only a couple of years?

Well, not entirely true. The lifespan of a battery of smartphone is measured “charge cycles.” This means that every time, you charge your phone battery to 100 percent capacity, one cycle count, you haven’t reached all the way to zero. For instance, if your phone is at 70 percent, you go down to 20 percent (that’s 50 percent), and you charge it back to 70 and use that 50 percent up again, then this is considered to be one complete cycle.  iPhones are expected to have a lifespan of 400 to 500 charge cycles

Thus, it is not that bad to charge phone overnight.  Don’t worry excessive phone heating up or overcharging. You can plug the phone in or even place on the wireless charger when you go to sleep, and can switch it off sometime in the night to avoid constant trickle-charging. If you are a deep sleeper and do not wake up much in the night, then you can plug your phone into a smart plug that’s on a schedule so it turns off.

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Still worrying about phone overcharging at night? Drop in your query at editor @techthirsty.com and our expert will have it sorted out for you.